Q. Assertion : Spores in mosses are contained within the capsule.
Reason : Spores are formed by mitotic division in mosses.

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Solution:

In mosses, after fertilisation, the zygote develops into a sporophyte, consisting of a foot, seta and capsule. The sporophyte in mosses is more elaborate than that in liverworts. The capsule contains spores. Spores are formed after meiosis and develop into new gametophyte.